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🌱 Spring 2026 — Zone 4b Planting Guide

Here's everything you can plant during Spring 2026 in USDA Zone 4b. With a last frost around May 1 and first frost around October 3, you have a 155-day growing season to work with.

There are 238 planting activities across March, April, May.

Transplant Outdoors This Spring

PlantTypeWhenDays to Maturity
Angelica Herb 365–730
Anise Herb 90–120
Borage Herb 50–60
Caraway Herb 365–450
Chamomile Herb 60–90
Chervil Herb 40–60
Cilantro Herb 40–60
Dill Herb 40–60
Fennel (herb) Herb 60–90
Mitsuba Vegetable 50–70
Parsley Herb 60–80
Sorrel Herb 40–60
Acorn Squash Vegetable 80–100
Alpine Strawberries Fruit 90–180
Amaranth Vegetable 90–120
Aronia Fruit 730–1095
Arugula Vegetable 30–50
Asparagus Vegetable 730–1095
Basil Herb 50–75
Bee Balm Herb 90–120
Belgian Endive Vegetable 110–150
Blueberries Fruit 730–1095
Bok Choy Vegetable 40–60
Broccoli Vegetable 60–90
Broccoli Rabe Vegetable 40–60
Brussels Sprouts Vegetable 90–130
Butternut Squash Vegetable 85–110
Cabbage Vegetable 60–100
Cantaloupe Fruit 70–90
Catnip Herb 60–80
Cauliflower Vegetable 55–100
Celeriac Vegetable 100–120
Celery Vegetable 80–120
Celtuce Vegetable 60–90
Chard Vegetable 50–60
Chickpeas Vegetable 80–110
Chicory Vegetable 60–85
Chinese Cabbage Vegetable 50–70
Chives Herb 60–90
Christmas Lima Beans Vegetable 80–100
Collard Greens Vegetable 55–75
Comfrey Herb 60–90
Cranberries Fruit 730–1095
Cress Vegetable 14–21
Crookneck Squash Vegetable 45–60
Cucumber Vegetable 50–70
Currants Fruit 730–1095
Delicata Squash Vegetable 80–100
Echinacea Herb 120–180
Elderberries Fruit 730–1095
Endive Vegetable 45–65
Escarole Vegetable 50–70
Fava Beans Vegetable 75–100
Fennel Vegetable 60–90
Garlic Chives Herb 60–90
Goji Berries Fruit 730–1095
Gooseberries Fruit 730–1095
Grapes Fruit 730–1095
Ground Cherry Fruit 65–80
Hardy Kiwi Fruit 1095–1825
Haskaps Fruit 730–1095
Honeydew Fruit 80–110
Horehound Herb 75–90
Horseradish Vegetable 120–180
Hubbard Squash Vegetable 100–120
Hyssop Herb 70–90
Jostaberry Fruit 730–1095
Kabocha Vegetable 85–100
Kai Lan Vegetable 45–60
Kale Vegetable 50–70
Kohlrabi Vegetable 45–65
Komatsuna Vegetable 35–50
Leeks Vegetable 90–150
Lemon Balm Herb 60–70
Lentils Vegetable 80–110
Lettuce Vegetable 30–60
Lingonberries Fruit 730–1095
Lovage Herb 70–90
Mache Vegetable 40–60
Medlar Fruit 1095–1825
Melon Vegetable 70–100
Microgreens Vegetable 7–21
Mint Herb 60–90
Mizuna Vegetable 30–45
Mulberries Fruit 730–1825
Mustard Greens Vegetable 30–50
Napa Cabbage Vegetable 55–75
Onion Vegetable 90–120
Oregano Herb 60–90
Pac Choi Vegetable 40–55
Patty Pan Squash Vegetable 45–60
Peas Vegetable 55–70
Peppers Vegetable 60–90
Persimmon Fruit 1095–2555
Pole Beans Vegetable 55–70
Potatoes Vegetable 70–120
Pumpkin Vegetable 85–120
Purslane Vegetable 40–60
Radicchio Vegetable 60–80
Raspberries Fruit 365–730
Rhubarb Vegetable 365–730
Romanesco Vegetable 75–100
Rue Herb 70–90
Sage Herb 75–90
Savory Herb 50–70
Savoy Cabbage Vegetable 70–110
Scallions Vegetable 50–70
Scarlet Runner Beans Vegetable 60–80
Serviceberries Fruit 730–1095
Shallot Vegetable 90–120
Shiso Vegetable 50–70
Snap Peas Vegetable 55–70
Snow Peas Vegetable 50–65
Spaghetti Squash Vegetable 85–100
Spinach Vegetable 35–50
Squash (Summer) Vegetable 45–65
Squash (Winter) Vegetable 80–120
Strawberries Fruit 90–365
Sunchoke Vegetable 110–150
Sunflower Vegetable 70–100
Tarragon Herb 60–90
Tatsoi Vegetable 35–50
Thai Basil Herb 50–75
Thyme Herb 70–90
Tomatillo Vegetable 60–85
Tomatoes Vegetable 60–85
Valerian Herb 120–180
Watercress Vegetable 40–60
Watermelon Vegetable 70–100
Yarrow Herb 90–120
Zucchini Vegetable 45–60

Direct Sow This Spring

PlantTypeWhenDays to Maturity
Angelica Herb 365–730
Anise Herb 90–120
Arugula Vegetable 30–50
Beets Vegetable 50–70
Belgian Endive Vegetable 110–150
Bok Choy Vegetable 40–60
Borage Herb 50–60
Broccoli Vegetable 60–90
Broccoli Rabe Vegetable 40–60
Brussels Sprouts Vegetable 90–130
Cabbage Vegetable 60–100
Caraway Herb 365–450
Carrots Vegetable 60–80
Cauliflower Vegetable 55–100
Celeriac Vegetable 100–120
Celery Vegetable 80–120
Celtuce Vegetable 60–90
Chamomile Herb 60–90
Chard Vegetable 50–60
Chervil Herb 40–60
Chickpeas Vegetable 80–110
Chicory Vegetable 60–85
Chinese Cabbage Vegetable 50–70
Cilantro Herb 40–60
Collard Greens Vegetable 55–75
Cress Vegetable 14–21
Crosne Vegetable 150–200
Daikon Vegetable 50–70
Dill Herb 40–60
Endive Vegetable 45–65
Escarole Vegetable 50–70
Fava Beans Vegetable 75–100
Fennel (herb) Herb 60–90
Kai Lan Vegetable 45–60
Kale Vegetable 50–70
Kohlrabi Vegetable 45–65
Komatsuna Vegetable 35–50
Leeks Vegetable 90–150
Lentils Vegetable 80–110
Lettuce Vegetable 30–60
Mache Vegetable 40–60
Microgreens Vegetable 7–21
Mitsuba Vegetable 50–70
Mizuna Vegetable 30–45
Mustard Greens Vegetable 30–50
Napa Cabbage Vegetable 55–75
Onion Vegetable 90–120
Pac Choi Vegetable 40–55
Parsley Herb 60–80
Parsnip Vegetable 100–130
Peas Vegetable 55–70
Purslane Vegetable 40–60
Radicchio Vegetable 60–80
Radish Vegetable 22–35
Romanesco Vegetable 75–100
Rutabaga Vegetable 80–100
Salsify Vegetable 100–130
Savoy Cabbage Vegetable 70–110
Scallions Vegetable 50–70
Shallot Vegetable 90–120
Snow Peas Vegetable 50–65
Sorrel Herb 40–60
Spinach Vegetable 35–50
Tatsoi Vegetable 35–50
Turnip Vegetable 40–60
Watercress Vegetable 40–60
Acorn Squash Vegetable 80–100
Amaranth Vegetable 90–120
Basil Herb 50–75
Black Beans Vegetable 90–120
Butternut Squash Vegetable 85–110
Christmas Lima Beans Vegetable 80–100
Corn Vegetable 60–100
Crookneck Squash Vegetable 45–60
Cucumber Vegetable 50–70
Delicata Squash Vegetable 80–100
Edamame Vegetable 75–100
Fennel Vegetable 60–90
Green Beans Vegetable 50–65
Hubbard Squash Vegetable 100–120
Kabocha Vegetable 85–100
Kidney Beans Vegetable 85–110
Lima Beans Vegetable 60–90
Melon Vegetable 70–100
Patty Pan Squash Vegetable 45–60
Peppers Vegetable 60–90
Pole Beans Vegetable 55–70
Potatoes Vegetable 70–120
Pumpkin Vegetable 85–120
Scarlet Runner Beans Vegetable 60–80
Shiso Vegetable 50–70
Snap Peas Vegetable 55–70
Soybeans Vegetable 80–120
Spaghetti Squash Vegetable 85–100
Squash (Summer) Vegetable 45–65
Squash (Winter) Vegetable 80–120
Sunflower Vegetable 70–100
Sweet Corn Vegetable 60–90
Thai Basil Herb 50–75
Tomatillo Vegetable 60–85
Tomatoes Vegetable 60–85
Watermelon Vegetable 70–100
Wax Beans Vegetable 50–65
Zucchini Vegetable 45–60

Harvest This Spring

PlantTypeWhenDays to Maturity
Cress Vegetable 14–21
Microgreens Vegetable 7–21
Radish Vegetable 22–35
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